Hoist



Sept. 14, 193 7.

J. J. KALMON HOIST Filed March 25, 1957 5 Shee cs-Sheet l InventorJaiepiz J 1622; arz,

Attorneys 7 Sept. 14, 1937. J. J. KALMON 2,092,921

HOIST Filed March 25, 1937 5 Sheets-Sheet 2 Inventor 'Aiiorneys J. J.KALMON 2,092,921

HOIST Filed March 25, 1957 5 Sheets-Sheet 3 Sept. 14, 1937.

Inventor A iiorneys WU w 270567127 Jfi'aZzrza-iz,

By @Maaifia Se t. 14, 1937. J. J. KALMON 2,092,921

HOIST I Filed March 25, 1937 5 Sheets-Sheet 5 7/ b 66 Inventor Jase MJ/f'aZmm Patented Sept. 14, 1931 UNITED bTA'lES PATENT OFFICE HOISTJoseph J. Kalmon, Medford, Wis. Application March 25 1937, Serial No.133,076

4 Claims This invention is a hoist, and an object of the invention is toprovide a hoist particularly designed for handling a dough trough to theend that the trough may be raised, lowered and tilted for dumpingpurposes as founddesirable and with facility.

The invention together with its objects and advantages will be bestunderstood from a study of the following description taken in connectionwith the accompanying drawings wherein:-

Figure l is a side elevational view of a hoist embodying the features ofthe present invention.

Figure 2 is a top plan View of the hoist.

Figures 3, 4, and 5 are detail sectional views taken substantially onthe lines 3-3, 4-4, and

55 respectively of Figure 2.

Figures 6, 7, and 8 are detail sectional views taken substantially onthe lines 6-45, 1-1, and 8-8 respectively of Figure 1.

Figure 9 is an end elevational view of a dough trough and Figure 10 is afragmentary side elevational view of the dough trough. I

Referring to the drawings by reference numerals it will be seen that 6indicates a rail in the form of an I-beam suspended from a ceiling orother suitable support. Movable along the rail 5 is a carriage 6 thatcomprises a pair of spaced parallel angle bars 1 secured together attheir ends through the medium of U-shaped brackets 8. Brackets 8 areequipped with bearings 9 in. which are journaled the axles ID of bearingequipped flanged rollers I I that ride on the lowe flange of the I-beamrail 5.

An annular track I2 of angle iron is welded or' otherwise secured to ormade permanent with the lower portion of the brackets 8 at diametricallyopposite points on the track.

It will thus be seen that the track l2 will move with the carriage 6lengthwise of the rail 5.

The track I2 is reinforced through the medium of a pair of spacedparallel angle bars l3, and secured between the angle bars l3intermediate the ends of said bars is a block l4 through which extends aking pin l5 about which rotates as an.

axis a hoist frame indicated generally by the 55 at their ends throughthe of brackets in which are journaled the axles 2| of rollers 22' thatride on the annular track [2 as clearly shown. Thus it will be seen thatthe frame I6 is supported to revolve inthe arch of a circle sothat saidframe is so supported as to be 5 shifted longitudinally relative to therail 5 and to be rotated in a horizontal plane to any desired positionof adjustment.

Suspended from the bars II of frame l6 at opposite ends of the latterare bearing arms 23, 10 24 which support a hoisting shaft 25.

On one end of the shaft 25 is a short tubular shaft 26 (see Figure 3)that is equipped at one end witha pulley 21 adapted to accommodate adrive belt or the like whereby drive from a 15 source of power istransmitted to the shaft 26 and through the medium of a clutch devicehereinafter more fully referred to to the shaft 25 for driving thelatter.

Secured to one end of shaft 25 to rotate there- 20 with is a drum 28 onwhich is windable a cable 29 that is trained over a sheave 30 suitablymounted on the ,bale 3| of a dough trough 32 hereinafter more fullyreferred to. At its free end the cabl. 29 is secured to the lower end of25 the bearing member 24 as clearly shown in Figure 1.

Fixed on shaft 26 is a drum 33 on which is windable a cable 34. Cable 34is also trained over a sheave 35 suitably provided on the aforemen- 30tioned bale 3| of dough trough 32 and at its free end cable 34 is"suitably anchored to the lower end of the bearing member 23 as alsoshowniin Figure 1.

Also-mounted on shaft 25 to rotate with said 35 shaft and to slideaxially of the shaft is a clutch collar 36 which at one end is providedwith pins 31 adapted to be engaged in sockets provided therefor andindicated by the reference numeral 38 and which sockets are provided inone flange 40 of the drum 33. It will thus be seen that when clutch pins31 are engaged in sockets 38 drive will be transmitted from the shaft 26tothe shaft 25 so that both of the drums 33 and 28 will revolve forwinding the cables 34 and 29 thereon 45 or paying out said cables asfound desirable for raising or lowering the trough 32.

When, however, it is desired to incline the trough 32 so that thecontents of the trough will drain therefrom through an opening providedin one end of the trough clutch 36 is shifted so as to disengage thepins 31 fromthe sockets 38 with the result that there will be notransmission of the cable 34 will be wound on the drum 33 to raise oneend of the trough 32.

To secure shaft 25 against rotation when it is desired to tilt thetrough 32 in the manner just explained there are provided in one end ofthe clutch collar 36 sockets 39 that engage pins 46 provided on abearing member 4| suspended from the frame bars I! in suitable proximityto the bearing member 23.

For shifting the clutch collar 36 there is provided a rod 42 that hasthe opposite ends thereof slidably supported in openings providedtherefor in the bearing members 23 and 4|. Secured on the rod 42 is thehead 43 of a fork 44 that straddles the clutch collar 36 and en ages inthe groove 45 provided in the periphery of the clutch collar.

' A lever 46 is pivoted as at 41 to a horizontal bar 48 that connectsthe lower ends of the bearing members 23 and 4|, and at one end thereoflever 46 has a pin and slot connection. 43 with the aforementioned head43 of fork 44. Suitably connected to the free end of the lever 46 is apull handle 50. It will thus be seen that by rocking the lever 46 in onedirection clutch collar 36 will be moved in a direction to engage pins31 with sockets 38 to place the shaft 25 in driven engagement with thedrum 33, while the rocking movement of the lever 46 in an oppositedirection will shift the collar 36 in a direction to engage the socket39 with the pins 40 whereupon clutch collar 36 and shaft 25 arepositively secured against rotation.

For securing the clutch collar 36 at either of the two positionsmentioned, rod 42 adjacent one end thereof is provided with a pair ofspaced notches 52 with which cooperate a spring pressed detent 53suitably provided as at 54 on the bearing member 4|. Thus it will beseen that detent 53 will engage a selected notch 52 as the clutch collar36 moves to its selected position of adjustment to thereby hold saidcollar at said position of adjustment.

To secure the suspended trough 32 at the desired position of adjustmentthere is mounted on the shaft 26 to turn therewith a ratchet wheel 55with which is cooperable a dog 56 pivoted as at 51 on the bearing member231 and provided with a pull rod 58.

Also for bracing the annular track l2 relative to the I-beam rail 5 saidtrack l2 has extending inwardly and upwardly from diametrically oppositepoints thereon braces 58 which at their upper ends are secured to theinwardly directed ends of a U-shaped member 60 that straddles the I-beamrail 5 as shown in Figure 5. At said upper ends of the sides of theU-member 60 and the braces 3 there are provided rollers 6| that havebearing engagement with the chamfered faces 62 provided for the web ofthe I-beam 5 where said web joins the top flange of the I-beam. At theclosed end of the U 66 said U-shaped member 60 is riveted or otherwisesecured to the carriage bars I.

From the foregoing it will be apparent that when it is desired to shiftthe: trough 32 toward either end of the rail 5 carriage 6 is moved alongthe rail and when it is desired to swing the trough 32 either to theright or left the hoist frame I 6 swings about the pivot l5.

one end wall thereof with an opening through which the contents of thetrough discharges, and for this opening there is provided a door 63hinged as at 64.

For the door 63 there is provided a latch bolt 65 mounted on the doorand adapted to engage with a keeper plate 66 mounted on the bottom ofthe trough 32. v

For the bolt 65 there is provided an operatin handle 61 made integralwith or secured to an intermediate portion of a rod 68 supported inbearings 69 provided therefore on the door 63. The operating handle 61is connected with the bolt 65 through the medium of a link 10.

At its relatively opposite ends the rod 68 is provided with cranks 1|that engage under keeper lugs I2 provided therefor at opposite sides ofthe trough in a manner to frictionally retain the shaft 68 againstcasual rocking movement.

It is thought that a clear understanding of the construction, utilityand advantages of an invention of this character will be had without amore detailed description.

.Having thus described the invention, what is claimed as new is:--

1. A device for handling dough troughs comprising a rail, a carriagemovable along said rail and including an elongated body part, uprightsconnected with intermediate portions of the body part, an annular trackcarried by said carriage, brace members connected to diametricallyoppositepoints of the annular track and extending inwardly and upwardlyand having their inner ends connected with the upright members of thecarriage and rollers carried by the inner ends of said brace members andengaging parts of the rail, a hoist frame mounted to swing ina'horizontal plane and equipped with rollers riding on said track, ashaft journaled in said frame, drums on said shaft, a dough trough, andsuspension cables for said dough trough windable on said drums.

2. A device for handling dough troughs comprising a rail, a carriagemovable along said rail, an annular track carried by said carriage, abearing block supported at the center of said track, a hoist framerotatably suspended from said block to swing in a horizontal plane andequipped with rollers riding on said track, a shaft journaled in saidframe a drum mounted on said shaft to rotate therewith, a second drumloose on said shaft, driving means connected with said second drum,clutch means for placing the second drum into and out of drivingengagement with said shaft, a dough trough, and suspension cables forsaid dough trough windable on said drums whereby said dough trough maybe raised or lowered and one end of said dough trough raised foremptying the dough trough of its contents.

3. A device for handling dough troughs comprising a rail, a carriagemovable along said rail, an annular track carried by said carriage, ahoist frame mounted to swing in a horiontal plane and equipped withrollers riding on said track, a shaft journaled in said frame, a drummounted on said shaft to rotate therewith, a second drum loose on saidshaft, driving means connected with said second drum, clutch means forplacing the second drum into and out of driving engagement with saidshaft, a dough trough, and suspension cables for said dough troughwindable on said drums whereby said dough trough may be raised orlowered and one end of said dough trough raised for emptying the doughtrough of its contents, a ratchet wheel associated with the second drum,and a dog mounted on .said frame and engaging said ratchet, wheel tosecure said second drum against rotation and the dough trough in adesired position of suspension.

4. A device for handling dough troughs comprising a rail, a carriagemovable along said rail,

I an annular track carried by said carriage, a hoist frame mounted toswing in a horizontal plane and equipped with rollers riding on saidtrack, a shaft journaled in said frame, a drum mounted on said shaft torotate therewith, a second drum loose on said shaft, driving meansconnected with said second drum, clutch means for placing the seconddrum into and out of driving engagement with said shaft, a dough trough.and suspension cables for said dough trough wlndable on said drumswhereby said dough trough may be raised or lowered and one end of saiddough trough raised for emptying the dough trough of its contents, aratchet wheel associated with the second drum, a dog mounted on saidframe and engaging said ratchet wheel to secure said second drum againstrotation and the dough trough in a desired position or suspension, andoperating means for said clutch including means for securing said clutchin either an engaged or disengaged position, optionally.

JOSEPH J. KALMON.

